Finding the Third Proportional to 40,641.75 and 53,939.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,641.75 : 53,939.25 = 53,939.25 : x
2. Step 2: Convert to fraction form
   40,641.75/53,939.25 = 53,939.25/x
3. Step 3: Cross multiply
   40,641.75x = 53,939.25 × 53,939.25
4. Step 4: Simplify right side
   40,641.75x = 2,909,442,690.56
5. Step 5: Solve for x
   x = 2,909,442,690.56/40,641.75
6. Step 6: Final answer
   x = 71,587.53